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788f9832ab
Summary: This allows users of the llvm library discover whether llvm was built with the tensorflow c API dependency, which helps if using the TFUtils wrapper, for example. We don't do the same for the LLVM_HAVE_TF_AOT flag, because that does not expose any API. Reviewers: mehdi_amini, davidxl Subscribers: mgorny, aaron.ballman, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D83746
102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
//===- InlineSizeEstimatorAnalysisTest.cpp - test for ir2native -----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Analysis/InlineSizeEstimatorAnalysis.h"
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#include "llvm/Analysis/LoopInfo.h"
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#include "llvm/Analysis/TargetLibraryInfo.h"
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#include "llvm/Analysis/TargetTransformInfo.h"
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#include "llvm/AsmParser/Parser.h"
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#include "llvm/IR/Dominators.h"
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#include "llvm/IR/Instructions.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Module.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Testing/Support/SupportHelpers.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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extern const char *TestMainArgv0;
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extern cl::opt<std::string> TFIR2NativeModelPath;
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#ifdef LLVM_HAVE_TF_API
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static std::string getModelPath() {
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SmallString<128> InputsDir = unittest::getInputFileDirectory(TestMainArgv0);
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llvm::sys::path::append(InputsDir, "ir2native_x86_64_model");
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return std::string(InputsDir);
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}
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#endif
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static std::unique_ptr<Module> parseIR(LLVMContext &C, const char *IR) {
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SMDiagnostic Err;
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std::unique_ptr<Module> Mod = parseAssemblyString(IR, Err, C);
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if (!Mod)
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Err.print("MLAnalysisTests", errs());
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return Mod;
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}
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static FunctionAnalysisManager buildFAM() {
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FunctionAnalysisManager FAM;
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FAM.registerPass([&] { return DominatorTreeAnalysis(); });
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FAM.registerPass([&] { return PassInstrumentationAnalysis(); });
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FAM.registerPass([&] { return TargetIRAnalysis(); });
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FAM.registerPass([&] { return LoopAnalysis(); });
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return FAM;
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}
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// Test model loading and evaluation.
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TEST(InlineSizeEstimatorAnalysis, SizeIsValidTest) {
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LLVMContext C;
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std::unique_ptr<Module> M = parseIR(C,
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R"IR(
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-linux-gnu"
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declare i32 @f1(i32)
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declare i32 @f2(i32)
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define i32 @branches(i32) {
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%cond = icmp slt i32 %0, 3
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br i1 %cond, label %then, label %else
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then:
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%ret.1 = call i32 @f1(i32 %0)
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br label %last.block
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else:
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%ret.2 = call i32 @f2(i32 %0)
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br label %last.block
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last.block:
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%ret = phi i32 [%ret.1, %then], [%ret.2, %else]
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ret i32 %ret
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}
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define internal i32 @top() {
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%1 = call i32 @branches(i32 2)
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%2 = call i32 @f1(i32 %1)
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ret i32 %2
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}
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)IR");
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FunctionAnalysisManager FAM = buildFAM();
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#ifdef LLVM_HAVE_TF_API
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TFIR2NativeModelPath = getModelPath();
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#endif
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InlineSizeEstimatorAnalysis FA;
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auto SizeEstimate = FA.run(*M->getFunction("branches"), FAM);
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#ifdef LLVM_HAVE_TF_API
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EXPECT_GT(*SizeEstimate, 0);
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#else
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EXPECT_FALSE(SizeEstimate.hasValue());
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#endif
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}
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